Agreed. I was observing this as part of a z/OS v3.1 update, and a hour after the IPL, while everything else was checking out fine, I noticed z/OSMF was still hogging all the CPU it could get. My experienced peers said that was common, and this shop needed a bigger box and a zIIP.
Sent from [Proton Mail](https://proton.me/mail/home) for iOS On Mon, Oct 28, 2024 at 12:19 AM, Brian Westerman <[[email protected]](mailto:On Mon, Oct 28, 2024 at 12:19 AM, Brian Westerman <<a href=)> wrote: > I actually reported this problem to IBM when one of my clients had a z/13s, > and was told that their testing was performed on a 400Mip box (with a zIIP > engine, and also without one), their response time was acceptable, but my > clients took about 20 minutes to initialize and about 45 minutes to get to > where you could log on, and then from that point it was slow, but usable > (barely). THe z13s had one CPU and was rated to 13MSU (80Mips). > > That client has since upgraded to a z14, (still one CPU but has 15MSU and > 88Mips), which is not a big change, but they also purchased a zIIP, so now it > takes under a minute to get both parts of z/OSMF up, and performance it quite > good. SO it's not really the standard CPU that matters, it's the zIIP which, > even though the main CPU is only 88MIP, is full speed, so I imagine that > without a zIIP, you would have some issues getting it started. > > Have you maybe tried a faster CPU, maybe a I7 14700K or i9 14900K (or one of > the newly announced CPUs would perform better for you. > > Brian > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
